<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="vue.js"></script>
</head>

<body>
    <div id="app">
        <input type="text" v-model="text" name="" id="">
        <button @click="add">添加</button>
        <ul>
            <li v-for="item in list">
                {{item}}
            </li>
        </ul>
    </div>
    <script>
        var app = new Vue({
            el:'#app',
            data: {
                list:[],
                text:''    
            },
            methods:{
                add(){
                    this.list.push(this.text);
                    this.text=''
                }
            }
        });

    </script>
</body>

</html>